US3553611A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary electric circuit interrupter
Assignee: Individual
•
Filing: 1969-07-07
•
Granted: 1971-01-05
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Expires: 1989-07-07
Abstract
Abstract A DEVICE FOR PROVIDING ELECTRICAL IMPULSES OF VARIOUS LENGTHS AT VARIOUS TIME INTERVALS AND FOR VARYING THE LENGTH AND INTERVALS OF SAID IMPULSES BY HAVING A PLURALITY OF DISC CAMS WITH RANDOM CIRCUMFERENTIALLY SPACED LOBES LOOSELY MOUNTED ON A ROTATABLE SHAFT AND ADAPTED TO BE FRICTIONALLY DRIVEN ONE BY THE OTHER, MEANS FOR INTERMITTENTLY VARYING ANGULARLY IN AN UNPREDICTABLE MANNER, THE RELATIONSHIP OF THE LOBES ON THE CAMS TO ONE ANOTHER AND AN ELECTRICAL INSTRUMENTALITY OPERABLE BY SAID CAMS.
Inventors
- 👤 Joseph Briechle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:17
CPC Classifications
H; H01; H01H; H01H43/00; H01H43/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |